Impacts IBM Storage Protect enterprise backup suite; widely deployed; auth bypass enables full access.
CVE-2026-12628
Authentication bypass with hardcoded credential in IBM Storage Protect FlashCopy Manager.
Is CVE-2026-12628 being exploited?
Not confirmed. CVE-2026-12628 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.63% probability of exploitation in the next 30 days.
How severe is CVE-2026-12628?
CVE-2026-12628 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-12628?
Yes. A fix has been recorded for CVE-2026-12628. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-12628 affect?
CVE-2026-12628 affects IBM Storage Protect Client, IBM Storage Protect Snapshot for Windows. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-12628?
Patch when released; rotate credentials; monitor for abuse.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated access via hardcoded credential; attacker can impersonate clients and access protected resources.
Patch when possible
- affected>= 8.1.0.0 and <= 8.2.1.0
- affected>= 8.1.0.0 and <= 8.2.1.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.